// Digits are greater than letters
        assertTrue(seven.compareTo(capitalJ) > 0, "expected 7 > J");
        assertTrue(capitalJ.compareTo(seven) < 0, "expected J < 1");
        assertTrue(seven.compareTo(lowerCaseC) > 0, "expected 7 > c");
        assertTrue(lowerCaseC.compareTo(seven) < 0, "expected c < 7");
    }

    @Test
    void testNonAsciiDigits() { // These should not be treated as digits.

            ComparableVersion c = new ComparableVersion(version);

            if (prev != null) {
                int compare = prev.compareTo(c);
                System.out.println(
                        "   " + prev + ' ' + ((compare == 0) ? "==" : ((compare < 0) ? "<" : ">")) + ' ' + version);
            }

            System.out.println(

                    || res2.getUpperBound() == null
                    || res1.getLowerBound().compareTo(res2.getUpperBound()) <= 0) {
                if (res1.getUpperBound() == null
                        || res2.getLowerBound() == null
                        || res1.getUpperBound().compareTo(res2.getLowerBound()) >= 0) {
                    ArtifactVersion lower;
                    ArtifactVersion upper;

    }

    @Override
    public int compareTo(Artifact a) {
        int result = groupId.compareTo(a.getGroupId());
        if (result == 0) {
            result = artifactId.compareTo(a.getArtifactId());
            if (result == 0) {
                result = type.compareTo(a.getType());
                if (result == 0) {
                    if (classifier == null) {

    /** {@inheritDoc} */
    @Override
    public boolean isSnapshot() {
        return artifact.isSnapshot();
    }

    /** {@inheritDoc} */
    @Override
    public int compareTo(Artifact a) {
        return artifact.compareTo(a);
    }

    /** {@inheritDoc} */
    @Override
    public void setResolved(boolean resolved) {
        artifact.setResolved(resolved);
    }

    /** {@inheritDoc} */

                    : versioning.getLastUpdated().trim();

            if (versioning.getRelease() != null
                    && !versioning.getRelease().isEmpty()
                    && timestamp.compareTo(versions.releaseTimestamp) > 0) {
                versions.releaseVersion = versioning.getRelease();
                versions.releaseTimestamp = timestamp;
                versions.releaseRepository = repository;

                versioning.setLastUpdated( v.getLastUpdated() );
            }

            if ( v.getLastUpdated() == null || v.getLastUpdated().length() == 0
                 || versioning.getLastUpdated().compareTo( v.getLastUpdated() ) >= 0 )
            {
                changed = true;
                v.setLastUpdated( versioning.getLastUpdated() );

                if ( versioning.getRelease() != null )
                {

        return new ExceptionSummary(null, message, null, children);
    }

    private ExceptionSummary handle(ModelProblem problem, String projectId) {
        if (ModelProblem.Severity.ERROR.compareTo(problem.getSeverity()) >= 0) {
            String message = problem.getMessage();

            String location = ModelProblemUtils.formatLocation(problem, projectId);

            if (!location.isEmpty()) {

                String lastUpdated = versioning.getLastUpdated();
                String now = versioningRef.getLastUpdated();
                if (lastUpdated != null && now != null && now.compareTo(lastUpdated) < 0) {
                    getLogger()
                            .warn("The last updated timestamp in " + metadataFile + " refers to the future (now = "
                                    + now

            this.version = version;
            this.repository = repository;
        }

        boolean isOutdated(String timestamp) {
            return timestamp != null && timestamp.compareTo(this.timestamp) > 0;
        }
    }

    private static class Key {

        private final String groupId;

        private final String artifactId;

        private final String classifier;